Learn how to use Microsoft Authenticator app on PC and Phone to securely sign in to your personal, work, school, or other accounts without using a password.

Microsoft Authenticator provides multi-factor authentication options, as well as a password manager. Here's what you should know about the app.

Apart from passwords, you can save your addresses in the Authenticator app. If you use the Microsoft Edge mobile or desktop app, you can use these entries to fill in a form with a single click.